Review reviewHigh

CVE-2019-13529

SMA Solar Technology AG Sunny WebBox, sunny webbox firmware, sunny webbox

An attacker could send a malicious link to an authenticated operator, which may allow remote attackers to perform actions with the permissions of the user on the Sunny WebBox Firmware Version 1.6 and prior. This device uses IP addresses to maintain communication after a successful login, which would increase the ease of exploitation.

CVSS: 8.8
EPSS: 3.09%
CISA KEV: Not listed
Published: 2019.10.10

PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability3.09%

Technical severityCVSS 8.8

Vulnerability overview

Affected product and versions

Product: SMA Solar Technology AG Sunny WebBox, sunny webbox firmware, sunny webbox
Affected versions: >= Firmware Version 1.6 and prior, <= 1.6
Fixed versions: No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

1
Identify
Confirm that SMA Solar Technology AG Sunny WebBox, sunny webbox firmware, sunny webbox and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE: CWE-352